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There is continuing debate about the impact of agricultural practices on farmland wildlife. In particular, it has been postulated that a general decli...

Fallowing, a type of rotation where no crop is grown, deprives insect pests of food. In tropical irrigated rice, it is not known whether fallow period...

Rangeland grasshopper movement was studied in Wyoming, USA, in July 1997 with respect to the biological and ecological factors (population density, de...

Ammonium-oxidizing bacteria (Nitrosolobus sp.) were counted every 2 days for 28 days in the top 5 cm of a soil at Rothamsted. The population density f...

Accurate and precise estimates of abundance are required for the development of management regimes for deer populations. In woodland areas, indirect d...

The density-dependent persistence of four tephritid flies on patches of their host vegetation (Urophora jaceana and Chaetorellia jaceae on Centaurea n...

African wildlife populations are declining at an alarming rate. To stop further population declines and restore ecosystems, more areas for wildlife ar...

Criteria for selecting sites are described and the various sampling, rearing and identification techniques used to investigate field populations of Si...

An analysis of predation of cereal aphids (Sitobion avenae and Metopolophium dirhodum) by larvae of Episyrphus balteatus is described. Field data on t...

1. In order to realize the full potential of natural enemies in integrated pest management, it is necessary to understand their population dynamics, p...